Quench Tube, Apparatus and Process For Catalytic Gas Phase Reactions
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United States of America Patent
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Issued Date -
Feb 26, 2009
app pub date -
Dec 20, 2006
filing date -
Jan 20, 2006
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a quench tube, having a length (L), a diameter (D) and at least one guenchant inlet per tube which inlet passes guenchant into the tube from the side of said tube, and wherein, D is between 0.04 and 0.10 m and L/D is at least 5. The present invention also relates to an apparatus with one or more of said quench tubes wherein said apparatus comprises a catalyst zone which may have a cross sectional area of at least 0, 01 m2. In processes using said tubes and/or said apparatuses a first gaseous reactant stream and a second reactant stream are contacted with a catalyst to produce a product stream which is quenched on exiting the catalyst. A process for producing olefins by autothermal cracking is also claimed.
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